Nay, It Was Heresy! (Achievement)

Nay, It Was Heresy! is an achievement available in Halo: Lone Wolf. It may be earned once a player completes their first set in any Firefight mode on Tyranny, LASO (Legendary, All Skulls On) (Excluding Red, Yellow, and/or Blue).

"Nay, It Was Heresy!" was a minor quote stated by the Prophet of Objection, during Thel 'Vadam's trial.